110 entries under substantiate topic. ×

2
vouch(verb, support, back, sign, confirm)
2
witness(verb, support, show, determine, back)
1
John Hancock(expression, endorse, prove, verify)
1
absolve(verb, support, maintain, favor, sustain)
1
acquit(verb, support, maintain, favor, sustain)
1
add up(verb, expression, show, determine, confirm)
1
advocate(support, maintain, defend, uphold)
1
alibi(verb, support, favor, sustain, confirm)
1
answer for(expression, support, favor, legitimize)
1
apologize for(expression, support, favor, legitimize)
1
argue for(verb, expression, support, favor, sustain)
1
assert(verb, support, show, maintain, defend)
1
be answerable for(verb, support, favor, sustain, confirm)
1
bless(verb, support, back, sign, approve)
1
brief(verb, support, favor, sustain, confirm)
1
buy(verb, support, back, sign, prove)
1
check on(verb, expression, confirm, story, verify)
1
check out(verb, expression, support, back, idea)
1
check up(verb, expression, idea, confirm, prove)
1
claim(support, favor, defend, justify)
11 years ago|3.5k views|share |citing 
APASmart Define. (2015). bear out thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/bear_out/thesaurus/synonyms
ChicagoSmart Define. 2015. "bear out thesaurus" https://smartdefine.org/bear_out/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, bear out thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/bear_out/thesaurus/synonyms>.
MLASmart Define. "bear out thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/bear_out/thesaurus/synonyms>